cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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acp-legacy-mach.c (3223B)

      1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
      2//
      3// This file is provided under a dual BSD/GPLv2 license. When using or
      4// redistributing this file, you may do so under either license.
      5//
      6// Copyright(c) 2021 Advanced Micro Devices, Inc.
      7//
      8// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
      9//
     10
     11/*
     12 * Machine Driver Legacy Support for ACP HW block
     13 */
     14
     15#include <sound/core.h>
     16#include <sound/pcm_params.h>
     17#include <sound/soc-acpi.h>
     18#include <sound/soc-dapm.h>
     19#include <linux/module.h>
     20
     21#include "acp-mach.h"
     22
     23static struct acp_card_drvdata rt5682_rt1019_data = {
     24	.hs_cpu_id = I2S_SP,
     25	.amp_cpu_id = I2S_SP,
     26	.dmic_cpu_id = DMIC,
     27	.hs_codec_id = RT5682,
     28	.amp_codec_id = RT1019,
     29	.dmic_codec_id = DMIC,
     30};
     31
     32static struct acp_card_drvdata rt5682s_max_data = {
     33	.hs_cpu_id = I2S_SP,
     34	.amp_cpu_id = I2S_SP,
     35	.dmic_cpu_id = DMIC,
     36	.hs_codec_id = RT5682S,
     37	.amp_codec_id = MAX98360A,
     38	.dmic_codec_id = DMIC,
     39};
     40
     41static struct acp_card_drvdata rt5682s_rt1019_data = {
     42	.hs_cpu_id = I2S_SP,
     43	.amp_cpu_id = I2S_SP,
     44	.dmic_cpu_id = DMIC,
     45	.hs_codec_id = RT5682S,
     46	.amp_codec_id = RT1019,
     47	.dmic_codec_id = DMIC,
     48};
     49
     50static const struct snd_kcontrol_new acp_controls[] = {
     51	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
     52	SOC_DAPM_PIN_SWITCH("Headset Mic"),
     53	SOC_DAPM_PIN_SWITCH("Spk"),
     54	SOC_DAPM_PIN_SWITCH("Left Spk"),
     55	SOC_DAPM_PIN_SWITCH("Right Spk"),
     56
     57};
     58
     59static const struct snd_soc_dapm_widget acp_widgets[] = {
     60	SND_SOC_DAPM_HP("Headphone Jack", NULL),
     61	SND_SOC_DAPM_MIC("Headset Mic", NULL),
     62	SND_SOC_DAPM_SPK("Spk", NULL),
     63	SND_SOC_DAPM_SPK("Left Spk", NULL),
     64	SND_SOC_DAPM_SPK("Right Spk", NULL),
     65};
     66
     67static int acp_asoc_probe(struct platform_device *pdev)
     68{
     69	struct snd_soc_card *card = NULL;
     70	struct device *dev = &pdev->dev;
     71	int ret;
     72
     73	if (!pdev->id_entry)
     74		return -EINVAL;
     75
     76	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
     77	if (!card)
     78		return -ENOMEM;
     79
     80	card->dev = dev;
     81	card->owner = THIS_MODULE;
     82	card->name = pdev->id_entry->name;
     83	card->dapm_widgets = acp_widgets;
     84	card->num_dapm_widgets = ARRAY_SIZE(acp_widgets);
     85	card->controls = acp_controls;
     86	card->num_controls = ARRAY_SIZE(acp_controls);
     87	card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
     88
     89	acp_legacy_dai_links_create(card);
     90
     91	ret = devm_snd_soc_register_card(&pdev->dev, card);
     92	if (ret) {
     93		dev_err(&pdev->dev,
     94				"devm_snd_soc_register_card(%s) failed: %d\n",
     95				card->name, ret);
     96		return ret;
     97	}
     98
     99	return 0;
    100}
    101
    102static const struct platform_device_id board_ids[] = {
    103	{
    104		.name = "acp3xalc56821019",
    105		.driver_data = (kernel_ulong_t)&rt5682_rt1019_data,
    106	},
    107	{
    108		.name = "acp3xalc5682sm98360",
    109		.driver_data = (kernel_ulong_t)&rt5682s_max_data,
    110	},
    111	{
    112		.name = "acp3xalc5682s1019",
    113		.driver_data = (kernel_ulong_t)&rt5682s_rt1019_data,
    114	},
    115	{ }
    116};
    117static struct platform_driver acp_asoc_audio = {
    118	.driver = {
    119		.pm = &snd_soc_pm_ops,
    120		.name = "acp_mach",
    121	},
    122	.probe = acp_asoc_probe,
    123	.id_table = board_ids,
    124};
    125
    126module_platform_driver(acp_asoc_audio);
    127
    128MODULE_IMPORT_NS(SND_SOC_AMD_MACH);
    129MODULE_DESCRIPTION("ACP chrome audio support");
    130MODULE_ALIAS("platform:acp3xalc56821019");
    131MODULE_ALIAS("platform:acp3xalc5682sm98360");
    132MODULE_ALIAS("platform:acp3xalc5682s1019");
    133MODULE_LICENSE("GPL v2");